Given that core inflation was so low when the recession began, it is not a stretch to believe that, with so much slack in the economy, it could yet turn negative.
由于衰退之前的核心通货膨胀率并不高，人们很容易就会想到在经济萧条之后，通货膨胀率可能会降到负数。
WHEN Charlotte Hobbs decided to teach her 11-year-old pupil about the "imaginary" maths needed to work out the square root of a negative number, she knew it would be a stretch.
当夏洛特·霍布斯决定教她11岁的学生用来计算负数平方根的虚数时，她知道这是一个艰巨的任务。
Research on the negative plates with copper-stretch-metal (CSM) and lead-alloy grids was helpful to take good use of negative plate with CSM grid.
对铜拉网板栅与铅合金板栅负极板性能的研究，有助于人们更好地利用铜拉网板栅负极板。
Conclusion WGFS has the effects of negative frequency named restraining cardiac muscle contraction and stretch function, and reducing rhythum of the heart and blood pressure.
结论：山参果汁总皂苷具有负性肌力和负性频率作用，即抑制心肌收缩和舒张功能，减慢心率、降低动脉血压。
Conclusion WGFS has the effects of negative frequency named restraining cardiac muscle contraction and stretch function, and reducing rhythum of the heart and blood pressure.
结论：山参果汁总皂苷具有负性肌力和负性频率作用，即抑制心肌收缩和舒张功能，减慢心率、降低动脉血压。
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